the Baba Yaga is the great Mother Nature. She could not talk about ‘my day, my night’ if she were not the owner of the day, of the night, and of the sun, so she must be a great Goddess
Von Franz argues that Baba Yaga is a survival of the Great Goddess archetype — goddess of nature, death, and cosmic cycle — aligning her with Demeter and the Germanic Hel.
, Shadow and Evil in Fairy Tales, 1974thesis